Door actuator

1. A modular door operator disposed at a reception body comprising at least one of a door leaf, a door frame, a door transom, and a wall, the door operator comprising:

at least one mounting plate configured for attachment to the reception body;

at least one connector module latched onto the mounting plate;

a drive module latched onto the mounting plate; and

a main module latched onto the mounting plate the main module comprising:

a system carrier;

at least one supply unit received in the system carrier by a respective fastening element; and

at least one control unit received in the system carrier by a respective fastening element; and

at least one fastening element provided between the connector module, the drive module, and the main module, configured to provide at least one of clamping and latching of the respective modules to each other.

2. The door operator according to claim 1 , wherein respective associated screw connections are provided between the drive module, the main module, and the mounting plate, which screw connections have captively disposed screw elements retained by respective screw receptions.

3. The door operator according to claim 1 , wherein

the supply unit is configured as a power supply unit, and

a reception element in which the power supply unit is placed and, from a direction of the mounting plate, is disposed at the system carrier by latching elements that comprise at least one of a latching nose and an associated latching recess at the reception element and correspondingly at least the other of one latching recess and latching nose at the system carrier,

wherein the reception element is one of angular and basket-shaped.

4. The door operator according to claim 1 , wherein the control unit, is latched on the system carrier by latching elements, wherein the latching elements comprise

one of arresting projections and recesses at the system carrier; and

the other of recesses and arresting projections in a circuit board carrier of the control unit.

5. The door operator according to claim 4 , wherein the latching projections of the latching elements comprise joining slants configured to slide along a border of the circuit board carrier when placing the circuit board carrier in a fitting direction of the circuit board carrier, the latching elements extending further in a direction of the circuit board carrier to resiliently push the arresting projections, laterally with regard to a joining direction, away from the border.

6. The door operator according to claim 4 , wherein the arresting projections are undercut by respective adjacent holding recesses, in which at least one of the circuit board carrier and the system carrier is latchable.

7. The door operator according to claim 6 , wherein the system carrier comprises a plurality of carrying projections at an upper side on which the circuit board carrier abuts when the arresting projections are latched in the holding recesses.

8. The door operator according to claim 7 , wherein the latching elements for latching the modules on the mounting plate comprise pilot pins, which are disposed on the mounting plate and vertically protrude from the mounting plate.

9. The door operator according to claim 8 , wherein the modules have pilot pin receptions that are complementary to the pilot pins, into which the pilot pins to extend.

10. The door operator according to claim 9 , wherein

the pilot pins have one of respective latching recesses and latching projections, and

the pilot pin receptions have correspondingly configured the other of the latching projections and the latching recesses,

such that the latching projections are latched in corresponding latching recesses.

11. The door operator according to claim 1 , wherein at least one of the drive module and the system carrier comprises at least one of fastening and clamping elements configured to hold a section of a voltage supply line run from the connector module to the supply unit.

12. The door operator according to claim 1 , wherein the door operator comprises a spring force accumulator configured to close a connected door, and

the system carrier comprises fastening elements, configured to stationarily receive a device for adjusting a pre-tension of a closer spring of the spring force accumulator.

13. The door operator according to claim 12 , wherein the spring force accumulator comprises:

a first transmission device, comprising:

a shaft that comprises a threaded section facing the closer spring;

a first gear member, disposed in a torque-proof manner at an end of the shaft,

which is accessible with regard to the spring force accumulator; and

a spring abutment screwed onto the threaded section of the shaft, at which an end of the closer spring is supported.

14. The door operator according to claim 13 , wherein the closer spring pre-tension adjusting device that is in operative engagement with a first gear member comprises:

a mounting bracket having at least one fastening element configured to be stationarily mounted to a respective fastening element of the system carrier.

15. The door operator according to claim 14 , wherein the at least one fastening element is formed by a slide-in projection, and

the respective fastening elements are configured by a corresponding groove.

16. The door operator according to claim 15 , further comprising a plate-shaped member mounted to the mounting bracket that extends transversely to a longitudinal extension of the spring force accumulator and has the at least one fastening element at a side arranged adjacent to the system carrier.

17. The door operator according to claim 16 , wherein

the mounting bracket has at least one wall, and

a shaft of the adjusting device is freely rotatably supported and received in the at least one wall section, the shaft comprising:

a torque-proof disposed second gear member of the adjusting device arranged at one end of the shaft, facing an inner compartment of the mounting bracket in rotational engagement with the first gear member, and

a torque-proof adjusting element at its other end facing away from the inner compartment of the mounting bracket.

18. The door operator according to claim 1 , wherein the fastening elements comprise:

at least one slip-on projection at one of the connector module or the drive module; and

at least one slip-on recess at the other of the drive module, into which recess the slip-on projection can be inserted from a joining direction.

19. The door operator according to claim 1 , wherein the fastening elements, between the drive module and the main module, comprise

at least one latching projection at the drive module, and

correspondingly at least one latching tongue at the main module, which tongue connects the drive module to the main module by latching onto the latching projection.

20. The door operator according to claim 1 , further comprising a cooling system configured to cool heat-generating components of the door operator.

21. The door operator according claim 20 , further comprising at least one active fan.

22. The door operator according to claim 21 , wherein

the at least one active fan produces an air stream when activated, and

the door operator is configured to guide the air stream past the heat-generating components.

23. The door operator according to claim 22 , wherein the active fan is disposed at an end of the door operator facing away from the connector module, and draws-in air from a direction of the connector module.

24. The door operator according to claim 23 , wherein one of the system carrier and a housing of a gear of the drive module comprises wall sections that:

are configured at a long side of the system carrier, respectively of the housing,

have a continuous surface configured such that a respective surface of the wall sections comes to bear against an enclosure profile in a sealing manner.

25. The door operator according to claim 1 , further comprising logic circuitry implemented in the door operator for enabling functions in the door operator.